US20070080086A1

US20070080086A1 - Tool packaging

Info

Publication number: US20070080086A1
Application number: US11/263,072
Authority: US
Inventors: Christian Dreps
Original assignee: Individual
Current assignee: Drebo Werkzeugfabrik GmbH
Priority date: 2005-10-11
Filing date: 2005-10-31
Publication date: 2007-04-12
Also published as: DE202005015964U1

Abstract

A tool packaging includes a suspension part by means of which a tool having a grooved shaft can be hung. An end of the suspension part has a receiving tunnel, through which the shaft of the tool can be inserted. A stop for axially bracing the tool is spaced from the receiving tunnel. A bracket can be snapped in between the stop and the tunnel, whereby there at least one projection that is adapted to at least one groove of the shaft is formed and engages into the groove.

Description

The instant application should be granted the priority date of 11 Oct. 2005, the filing date of the corresponding German patent application DE 20 2005 015 964.6.

BACKGROUND OF THE INVENTION

The present invention relates to tool packaging.
Took packagings for tools with shafts, such as drills, mills, chisels and the like, have been known for a long time. For example, DE-GM 94 05 835 discloses tool packaging by means of which the drill can be suspended or hung.
Also, tool packagings have already been proposed in which grooves are provided on a drill shaft for accommodation in the tool packaging. These types of grooves and the associated tool shaft are frequently designed so that for a plurality of drills of different diameters, merely one type of the packaging must be provided.
With suspended holding, the position of the drill or other tool in the packaging must be stable so that the drill does not slip out from its own weight. In this regard, corresponding pins or grooves are provided. On the other hand, the drill must be inserted in the packaging, however, which is only possible when the associated pin is elastic. These types of solutions frequently require, however, a substantial use of force to remove the drill, so that the user runs the risk of injuring himself on the sharp-edged drill spirals when he pulls the drill with force from the packaging.
Also, it has already been proposed additionally to brace an elastic pin element in the rear. This bracing, however, is difficult for the user to see and still more difficult to remove, so that the same disadvantages also apply here.

SUMMARY OF THE INVENTION

Therefore, the present invention is based on the object of providing a tool packaging, which can be manipulated better, but which still holds the tool safely and non-releasably in the tool packaging, whereby a simple insertion of the drill into the packaging is still possible during delivery.
According to the present invention, it is especially expedient if a bracket can be snapped in between the stop for the axial support of the drill or other tool and the tunnel or channel. The bracket can cover the drill in this area and at the same time secure it, since it can be spaced from the end of the drill in any suitable manner, so that engagement in a locking groove of a corresponding tool is possible.
The term “locking groove” should be understood to include continuous grooves which are closed toward the back, that is, do not extend to the end of the drill. The use of this type of groove for blocking removal of the drill or other tool is important, because otherwise, the drill could slip out of the packaging, become lost, or cause injuries.
Accordingly, it is preferred that the bracket has a corresponding projection, which is adapted exactly to the locking groove, whereby it is preferred that the projection, based on its shape, does not fit into another groove that is not formed as a locking groove.
According to the present invention, it is essential that the bracket surrounds the drill or other tool, and indeed together with the area of the suspension part provided there. By way of example, the bracket can extend over 270° of the circumferential angle of the shaft, and the remaining 90° can be covered by the related area of the suspension part.
According to the present invention, it is essential that by closing the bracket, the shaft of the drill or other tool and the packaging are securely connected with one another. In this regard, it is preferred that the projection is formed on the bracket, and by means of snapping-in of the bracket, the shaft is held in this manner.
Alternatively, the projection can be provided on the region of the suspension part which covers the rest of the shaft, and by means of the bracket, then, likewise locking over the projection is ensured.
By laterally limiting the bracket over the stop on the one hand and the tunnel on the other hand, the bracket is also securely braced in the axial direction with reference to the shaft. In this manner, it is ensured that it cannot be pushed to the side by the load and in this manner become free from the bracing. The tool packaging of the present invention is in this respect safe from vandals to a certain extent.
The snap attachment of the bracket to the suspension part according to the present invention also ensures that a smooth and flush extension of the bracket between the stop and the tunnel can be realized which makes manipulations more difficult even when inexpensive plastic materials are used for realizing the tool packaging.
According to the present invention, with normal manipulation of the drill, the projection always remains in engagement with the locking groove.
For removing during use, preferably the following actions can be provided, which can be made clear also on the drill packaging for the user: one pulls the drill down a little, so that its end is positioned outside of the cup-shaped stop. Then, it is bent to the back with its lower end, that is, the drill spiral. In this manner, a force exists forward on the bracket, which either pulls the bracket from its anchoring in the suspension part—provided that the detents are formed accordingly—or leads to cracking of the drill packaging so that the drill can be removed freely. Surprisingly, this removal can be carried out with a quite minimal force, whereby with the typical manipulation with positioning, no bending load is exerted on the packaged drill so that logistics are not impaired in any manner. The drill, however, can be manipulated easily upon need or removal by the user.
Accordingly, the amount of overlap between the stop and the drill end can be adapted to specifications. With a drill with SDS-PLUS receptacle and accordingly a shaft diameter of just under 10 mm, for example, the bracket can have a width of 12 mm and the amount of overlap is 2 mm. With a drill with SDS-MAX receptacle and accordingly a shaft diameter of approximately 18 mm, the overlap amount amounts to 3 mm, for example.
According to the present invention, it is preferred to arrange the projection on the bracket. The die-casting tool for realizing the suspension part is then simpler so that an undercut-free realization is possible, and indeed for the suspension part as well as for the bracket. In this connection, it is possible to realize the tunnel and the projection, that is, the local cup-shaped region, without a back wall, while the region overstretching from the bracket has at least partly a back bar.
According to the present invention, it is provided that snap-in takes place between the hanging part and the bracket. This can be realized in that in the suspension part, corresponding slots are provided in which snap-in pins with detents of the bracket can penetrate. Alternatively, also in the bracket, recesses can be provided in which snap-in pins with detents can penetrate, which project from the receiving part. This embodiment is preferred when the detents face laterally outwardly and it also makes possible removing the bracket by pressing the recessed detent with a screwdriver or the like in order to loosen the anchoring. This possibility represents an alternative possibility of the removal of the tool from the packaging and also can be realized without damage.
Preferably, the snap-in pins, detents, and recesses are provided approximately in the axial center of the bracket, and the detents have a slightly inclined locking surface, so that based on the spring action, the bracket is pressed onto the suspension part with pre-stressing. This permits a rattleproof realization of the tool packaging.
According to a particularly advantageous embodiment, a bracket can be snapped in between the stop and the tunnel, whereby there at least one projection adapted to at least one groove of the shaft is formed, which engages in particular in the groove.
According to an especially advantageous embodiment, the bracket has at least one projection spaced from the stop, which is adapted to a locking groove of an SDS-drill.
According to a particularly advantageous embodiment, it is provided that the bracket has at least one bar, which is adapted to a rotation synchronization groove of an SDS-plus or an SDS-max drill.
According to a particularly advantageous embodiment, it is provided that the receiving part has a projection, which faces the bracket and is adapted to a locking groove of an SDS drill and extends in particular to a further projection at an angle of 180° relative to the drill shaft.
According to a particularly advantageous embodiment, the bracket completely fills up the space between the stop and the receiving tunnel.
According to a particularly advantageous embodiment, the bracket in the snapped-in state is flush with the receiving tunnel and the stop.
According to a particularly advantageous embodiment, the stop has a cup shape and has an inner diameter which corresponds essentially to the inner diameter of the shaft.
According to a particularly advantageous embodiment, the receiving part has two snap-in pins, which can be snapped into one or more recesses of the bracket and in particular cannot be released without a tool.
According to a particularly advantageous embodiment, both retaining tongues extend to the side of the drill shaft and tangentially to the shaft and engage behind a shoulder on at least one recess of the bracket.
According to an especially advantageous embodiment, it is provided that the bracket comprises a transparent material.
According to an especially advantageous embodiment, the projection is pressed into the groove of the shaft with pre-stressing.
According to a particularly advantageous embodiment, at least a non-circular inner surface is formed on the bracket of the suspension part.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a plan view of an embodiment of a tool packaging according to the present invention;
FIG. 2 is a view of the tool packing of FIG. 1 from below;
FIG. 3 is the tool packaging according to FIG. 1 showing a section along line C-C of FIG. 1;
FIG. 4 is the tool packaging of FIG. 1 showing a section along line A-A of FIG. 1;
FIG. 5 is a side view of the bracket for the tool packaging of FIGS. 1 through 4;
FIG. 6 is a plan view of the bracket of FIG. 5;
FIG. 7 is a section through the bracket of FIG. 5;
FIG. 8 is a perspective view of a tool packaging in a mounted state; and
FIG. 9 is the bracket of FIGS. 5, 6, and 7 in a perspective representation.

DESCRIPTION OF SPECIFIC EMBODIMENTS

FIG. 1 shows a tool packaging 10 in a slightly schematic representation. The tool packaging has a suspension part 12, which is essentially flat. In addition, a bracket 14 shown in FIGS. 2 to 9 is provided, which together with the suspension part 12 forms the tool packaging 10 of the present invention.
In a known manner, the suspension part 12 has a hanging eye 16. A labeling or inscription surface or field 18 extends beneath the hanging eye, in which in any suitable manner, information regarding the drill, an EAN-bar code, or any suitable other information can be applied to be well visible via a label or direct inscription, and if necessary, also on the back side of the suspension part 12 at this position.
A stop 20 according to the present invention (see FIG. 8) is formed beneath the inscription field 18. The stop 20 extends via an upwardly closed end wall 22 and a circumferential region 24, which extends curved over the end wall 22, so that altogether, the stop 20 is formed as a cup-shaped region that opens downwardly.
A bracket receiving region 26 extends beneath the stop 20, which has a pin 28 that projects forward in the embodiment shown. Further details of the bracket receiving region 26 will be described below.
In the area of the bracket receiving region 26, the width of the suspension part 12 tapers approximately to half. Below on this subsequently a tunnel 30 is provided, which extends essentially in a semi-circular shape over the receiving part 12 in its flat region.
The shape of the tunnel 30 corresponds to the shape of the circumferential region 24 of the stop 20. In the embodiment shown, the circumferential region 24 as well as the tunnel 30 are closed in the front. It is to be understood that instead of this, it is also possible to provide a slot on the circumference, when softer storage is intended.
Also, the inner diameter of the circumferential region 24 and the inner diameter of the tunnel 30 correspond to one another. They are adapted to the diameter of an SDS-PLUS shaft of a drill as an incorporated tool. In this embodiment, the drill can be inserted from below into the tunnel up to the stop 20 and completely fills the inner space.
FIG. 2 shows that multiple projections extend into the inner space. Thus, the pin 28 extends from below, that is, starting from the flat receiving part 12, upwardly and is suitably formed to engage in a locking groove of the drill or other tool.
In the area of the bracket receiving region 26, the bracket 14 is already introduced in this illustration. There, the pin 28 is formed opposite a projection 34, which likewise engages in a locking groove of the drill or other tool. With the snapped-in bracket 14, the shaft is held securely between the oppositely disposed projections and pins 24 and 28.
In the embodiment shown, additionally a rotation synchronization projection is provided, which extends at an angle of 90° to the projection 34 and the pin 28 and is formed for engaging in a corresponding rotation synchronization groove. The rotation synchronization projection 36 is visible in FIG. 1 in a dashed form.
FIG. 3 shows how the bracket 14 is anchored to the suspension part 12. In this connection, the suspension part has two snap-in tongues 40 and 42, on which detents 44 and 46 are formed, which face outwardly. In this regard, the bracket 14 has respective recesses 48, 50, each of which is partly penetrated by the snap-in tongue 40, 42. The detents 44, 46 are each braced on side shoulders of the recesses 48 and 50 and are pre-stressed slightly laterally outwardly so that they hold the snap position securely and slightly resiliently. In a known manner, the detents 44, 46 are provided with inclined surfaces, which facilitate the insertion of the snap-in tongues.
As can be seen from FIGS. 2 and 3, the bracket receiving region 26 has pass-through recesses 54, 56. These lie beneath the detents 44, 46 and permit an undercut-free manufacture of the receiving part 14.
The tool packaging 10 is shown in a side section in FIG. 4. Here, as well as in the other figures, the same reference numerals refer to the same parts. It can be seen that the pin 28 is formed on a spring tongue 60, which makes possible slight resiliency. The pin extends opposite the projection 34, yet axially shorter, however. It can be seen that the bracket 14 of the present invention extends flush to the circumferential region 24 of the stop 20 and to the tunnel 30 both on the inside as well as the outside.
FIG. 5 shows that the bracket 14 has a central recess 48, in which the snap-in pin 44 can engage. By means of the central arrangement, a secure support in each direction can be realized, that is axially as well as tangentially, in connection with the pre-stressing with the detents 44, 46.
FIG. 8 shows that beneath the tunnel 30 and beneath the stop 20 in the suspension part 12, through holes 60, 62 are provided. A bracket bar 64 is provided opposite beneath the bracket 14, which supports the spring tongue 60 with the pin 28. The bracket bar 64 extends transversely beneath the bracket receiving region 26. With the through holes 60 and 62, the realization of an undercut-free manufacture is provided.
The bracket 14 is shown in FIG. 9 in an enlarged representation. One recognizes that it extends in a semi-circular shape in its holding region 68 with a greater wall thickness of 3 mm, for example. The insertion region 70 reinforced by the snap-in pins 40 and 42 (see FIG. 3) is thin-walled in contrast and has a wall thickness of 1 mm, for example.
It should be understood that any desired constructions are possible in the embodiment, including also the inner profile of the bracket 14, without departing from the scope of the invention.
Thus, for example, the inner profile can be equipped so that it is suited for an SDS-MAX drill with a corresponding shaft diameter, and if necessary also more than the projection 34 and the pin 38 can be provided. Also, for example, the projection 34 can be locked over the entire length of a locking groove, so that it also forms practically an axial stop. In this case, it is not necessary to provide an end wall 22 on the stop, so that the stop 20 merely operates over the circumferential region 24 against radial loads.

Claims

1. A tool packaging, comprising:

a suspension part, via which a tool having a grooved shaft can be hung, wherein an end of the suspension part has a receiving tunnel through which the shaft of the tool is insertable, and wherein a stop for axially supporting the tool is spaced from the receiving tunnel;

a bracket that is adapted to be snapped in between the stop and the tunnel, wherein at least one projection is formed in the region of the stop and tunnel that is adapted to at least one groove of the shaft.

2. A tool packaging according to claim 1, wherein said at least one projection engages in the at least one groove of the shaft.

3. The tool packaging according to claim 1, wherein the bracket has the at least one projection which spaced from the stop and is adapted to a locking groove of an SDS drill.

4. The tool packaging according to claim 1, wherein the bracket has at least one bar, which is adapted to a rotation synchronization groove of an SDS-plus or an SDS-max drill.

5. The tool packing of claim 1, wherein the receiving tunnel has the at least one projection, which faces the bracket and fits in a locking groove of an SDS driller and extends at an angle of 180° to a further projection with reference to the drill shaft.

6. The tool packaging of claim 1, wherein the bracket completely fills up a space between the stop and the receiving tunnel.

7. The tool packaging of claim 1, wherein the bracket is flush with the receiving tunnel and the stop when in a snapped-in state.

8. The tool packaging according to claim 1, wherein the stop is cup shaped and has an inner diameter that corresponds substantially to an inner diameter of the tunnel.

9. The tool packaging according to claim 1, wherein the receiving tunnel has two snap-in tongues that can be snapped into one or more recesses of the bracket and are not releasable from the bracket.

10. The tool packaging of claim 8, wherein both snap-in tongues extend laterally to the drill shaft and tangentially to the shaft and engage behind a shoulder on at least one recess of the bracket.

11. The tool packaging of claim 1, wherein the bracket comprises a transparent material.

12. The tool packaging of claim 1, wherein the at least one projection is pressed into the groove of the shaft with pre-stressing.

13. The tool packaging of claim 1, wherein at least one non-circular inner surface is formed on the bracket or the suspension part.